Linked from

The 42 pages that link to Islamic calendar, each with the reason it gives.

• MuhammadRelated: The migration that established Muhammad’s community also provides the calendar’s historical starting point.

• Gregorian calendarCompared with: Its months follow lunar phases rather than the Gregorian calendar’s seasonal year.

• MedinaRelated: Its epoch makes Medina’s migration a global chronological landmark.

• HijraRelated: The migration’s year became the calendar’s starting point.

• Julian calendarCompared with: Its dates move through the seasons rather than tracking them like Julian dates.

• Lunar calendarBroader topic: It is a prominent example of a calendar that remains purely lunar.

• Hebrew calendarCompared with: Unlike the Hebrew calendar, its months move through the seasons.

• Chinese calendarCompared with: Unlike the Chinese calendar, its months drift through the seasons.

• NowruzCompared with: Unlike the Islamic calendar, Nowruz follows the solar seasons rather than shifting through them.

• Umar ibn al-KhattabRelated: Tradition credits Umar’s administration with formalizing the calendar’s use.

• IntercalationCompared with: Its religious calendar preserves lunar-season drift rather than correcting it.

• Leap yearCompared with: It does not add leap months to keep its months aligned with the solar seasons.

• CalendarBroader topic: Its months follow lunar phases without intercalation to track the seasons.

• Lunar phaseBroader topic: Month beginnings are traditionally tied to sighting the new crescent.

• Lunisolar calendarBroader topic: Its months move through the seasons, making the contrast with lunisolar systems clear.

• Metonic cycleCompared with: The deliberate refusal of the problem the Metonic cycle exists to solve.

• Synodic monthBroader topic: Its twelve months per year are counted directly from observed lunar crescents.

• Lunar monthBroader topic: Its months begin with the sighting or calculated occurrence of the crescent Moon.

• RamadanNarrower topic: Its months determine Ramadan’s place and annual timing.

• Calendar reformCompared with: Its months follow lunar phases without remaining fixed to the seasons.

• Babylonian calendarCompared with: It shows what happens when lunar months are kept without seasonal correction.

• Eid al-FitrRelated: Its month sequence determines when Ramadan ends and Eid begins.

• MawlidRelated: Mawlid is commonly observed on the twelfth of Rabi‘ al-Awwal, though dates and customs vary.

• Arba'eenNarrower topic: Its lunar months place Arba'een on 20 Safar, with a varying Gregorian date.

• Historical chronologyRelated: Its Hijra epoch provides a distinct chronological framework for Islamic history.

• Buddhist calendarCompared with: Unlike lunisolar Buddhist systems, it does not add months to track the solar year.

• Common EraCompared with: It uses a distinct religious epoch rather than the CE numbering origin.

• Eid al-AdhaNarrower topic: Its lunar months determine when Eid al-Adha occurs each year.

• Hindu calendarCompared with: It highlights the seasonal correction that distinguishes Hindu lunisolar systems.

• MonthBroader topic: Its months shift through the seasons because the calendar does not intercalate a month.

• New moonBroader topic: The visibility of the new crescent helps determine the start of each month.

• Persian calendarCompared with: Unlike the Persian calendar, it drifts through the seasons.

• Seven-day weekRelated: Friday congregational prayer became a distinctive weekly marker within the shared cycle.

• Solar calendarBroader topic: Its months move through the seasons, unlike those of a solar calendar.

• IftarNarrower topic: Its lunar months determine when Ramadan and its daily fasts occur.

• Ethiopian calendarCompared with: Its lunar year contrasts with the Ethiopian calendar’s solar year.

• FebruaryCompared with: Its months shift through the seasons instead of occupying a fixed seasonal position.

• Islamic New YearNarrower topic: Its year begins with Muharram rather than a solar-calendar date.

• History of calendarsBroader topic: Its seasons shift through the solar year, shaping the timing of Islamic observances.

• Shaka eraCompared with: Its lunar year and religious epoch contrast with Shaka-era solar civil dating.

• Hijri eraRelated: Its lunar months determine how Hijri-era dates are counted.

• Year (calendar)Broader topic: Its religious year shifts through the seasons because it is not adjusted to the solar year.